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Class 12
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Physics
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Electric Charges and Fields
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Electric Dipole
Electric Dipole
Revise with Concepts
Electric Dipole
Example
Definitions
Formulaes
>
Field Due to Electric Dipole
Example
Definitions
Formulaes
>
Potential Due to an Electric Dipole
Example
Definitions
Formulaes
>
Potential Energy of a Dipole in External Field
Example
Definitions
Formulaes
>
Torque on a Dipole Placed in an Electric Field
Example
Definitions
Formulaes
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Learn with Videos
Introduction to Electric Dipole and Electric Dipole Moment
4 mins
Electric Field Due to a Dipole (Axial Point)
11 mins
Electric Field Due to a Dipole (Equatorial Point)
14 mins
Electric Field due to Dipole at Any Point (Polar Coordinate)
9 mins
Dipole in Uniform Magnetic Field
11 mins
Potential due to Elelctric Dipole
19 mins
Potential Energy of Electric Dipole
10 mins
Torque on Dipole due to Constant Electric Field
5 mins
Quick Summary With Stories
Electric Dipole and Dipole Moment
2 mins
Electric Field Due to a Dipole
3 mins
Electric Field Due to a Dipole (Axial Point)
2 mins
Electric Field Due to a Dipole (Equatorial Point)
2 mins
Electric Field Due to Dipole at Any Point - Polar Coordinate
3 mins
Potential due to Elelctric Dipole
2 mins
Electric Field at the Equatorial point of a Dipole
2 mins
Potential Energy of Electric Dipole
3 mins
Electric Dipole in a Uniform Electric Field
2 mins
Stable and Unstable Equilibrium of a Dipole in Uniform Electric Field
3 mins
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Important Questions
Derive an expression for electric field due to an electric dipole at a point on its axial line.
Medium
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Derive an expression for electric potential at a point due to an electric dipole. Discuss the special cases.
Medium
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Derive an expression for electric field due electric dipole at a point on an equatorial line.
Medium
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Derive an expression for the electric field at a point on the equatorial plane of an electric dipole.
Medium
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Two point charges placed at a certain distance r in air exert a force F on each other. The distance r' at which these charges will exert the same force in medium if dielectric constant k is given by
Medium
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Derive an expression for the torque acting on an electric dipole kept in a uniform electric field and hence define electric dipole moment.
Hard
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An electric dipole with dipole moment
$4Ã—10_{âˆ’9}$
C m is aligned at
$30_{âˆ˜}$
with the direction of a uniform electric field of magnitude
$5Ã—10_{4}NC_{âˆ’1}$
. Calculate the magnitude of the torque acting on the dipole.
Medium
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Â An electric dipole consist of two opposite charges each of magnitudeÂ
$1Î¼C$
separated by a distance of
$2cm.$
The dipole is placed in an external field of
$10_{5}N/C$
.The maximum torque on the dipole is:
Hard
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A system has two charges
$qA=2.5Ã—10_{âˆ’7}C$
and
$qB=âˆ’2.5Ã—10_{âˆ’7}C$
located at point
$A(0,0,âˆ’15)cm$
and
$B(0,0,15)cm$
respectively. What are the total charge and electric dipole moment vector of the system?
Medium
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An electric dipole is placed at an angle of
$30_{o}$
with an electric field intensity
$2Ã—10_{5}ÂN/C$
. It experiences a torque equal to
$4ÂNm.$
The charge on the dipole, if the dipole length is
$2Âcm$
, is :
Medium
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>